Use single container for both daemonset and system extension

Dockerfile

@@ -1,15 +1,23 @@
+#### Build binary
 FROM golang:1.22.1-alpine AS builder
 WORKDIR /build
 COPY . .
-ARG TARGETARCH
 ARG CGO_ENABLED=0
-ARG GOARCH=$TARGETARCH
+ARG GOARCH=amd64
 ARG GOOS=linux
 RUN go test -v ./... && \
     go vet ./... && \
     go build -ldflags="-s -w" -trimpath -o talos-vmtoolsd ./cmd/talos-vmtoolsd
 
+#### Build system extension tree
+FROM alpine:3.19 AS stage
+RUN mkdir -p /stage/rootfs/usr/local/etc/containers
+RUN mkdir -p /stage/rootfs/usr/local/lib/containers/talos-vmtoolsd
+COPY --from=builder /build/talos-vmtoolsd /stage/rootfs/usr/local/lib/containers/talos-vmtoolsd/
+COPY ./manifest.yaml /stage/
+COPY ./talos-vmtoolsd.yaml /stage/rootfs/usr/local/etc/containers/
+
+#### Build final container
 FROM scratch
-WORKDIR /bin
-COPY --from=builder /build/talos-vmtoolsd /bin/talos-vmtoolsd
-ENTRYPOINT ["/bin/talos-vmtoolsd"]
+COPY --from=stage /stage /
+ENTRYPOINT ["/rootfs/usr/local/lib/containers/talos-vmtoolsd/talos-vmtoolsd"]

Makefile

@@ -17,7 +17,4 @@ talos-vmtoolsd:
 docker-build:
 	docker buildx build . --tag $(REGISTRY_AND_USERNAME)/${IMAGE_NAME}:$(IMAGE_TAG) --file Dockerfile
 
-docker-build-extension:
-	docker buildx build . --tag $(REGISTRY_AND_USERNAME)/${IMAGE_NAME}-system-extension:$(IMAGE_TAG) --file system-extension/Dockerfile
-
-.PHONY: talos-vmtoolsd docker-build docker-build-extension
+.PHONY: talos-vmtoolsd docker-build